MM

Mark McKenna

ST Steelcase: 61 patents #8 of 809Top 1%
HU Humanscale: 5 patents #11 of 71Top 20%
SM Smith Systems Manufacturing: 1 patents #16 of 21Top 80%
📍 Grand Rapids, MI: #13 of 1,824 inventorsTop 1%
🗺 Michigan: #492 of 86,293 inventorsTop 1%
Overall (All Time): #30,083 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 51–69 of 69 patents

Patent #TitleCo-InventorsDate
D761733 Electrical hub Andrew Thomas Nelson Sumwalt, Duck Young Kong 2016-07-19
D758776 Personal workspace furniture Mark Spoelhof, Duck Young Kong, Keith Robert Machin 2016-06-14
D758777 Personal workspace furniture Mark Spoelhof, Duck Young Kong, Keith Robert Machin 2016-06-14
D758115 Personal workspace furniture Mark Spoelhof, Duck Young Kong 2016-06-07
D746238 Electrical housing cover Andrew Thomas Nelson Sumwalt, Duck Young Kong 2015-12-29
D746237 Electrical housing cover Andrew Thomas Nelson Sumwalt, Duck Young Kong 2015-12-29
D738309 Electrical plug Andrew Thomas Nelson Sumwalt, Duck Young Kong 2015-09-08
D738125 Foot rest Fredic J Biddle, Brett W. Pearson 2015-09-08
D738311 Electrical module outlet Andrew Thomas Nelson Sumwalt, Duck Young Kong 2015-09-08
D738308 Electrical plug Andrew Thomas Nelson Sumwalt, Duck Young Kong 2015-09-08
D731802 Chair Fredric Biddle, Bruce M. Smith 2015-06-16
D731801 Chair Fredric Biddle, Bruce M. Smith, Gordon J. Peterson 2015-06-16
D726468 Chair Fredric Biddle, Bruce M. Smith 2015-04-14
8840188 Movable arm pad Niels Diffrient, Emilian Dan Cartis, Steven R. Remy 2014-09-23
8646941 Lighting apparatus and method Amina Chidiac 2014-02-11
D679373 Air moving apparatus Stefan Spoerl 2013-04-02
D652565 Lamp head Aaron Tsui 2012-01-17
6220858 Apparatus for placement of dental fillings Anthony M. Hague 2001-04-24
5893260 Portable apparatus for forming and filling sandbags 1999-04-13